| Claudio Zei | |
| Nationality: |  Italy |
| Strokes: | Freestyle |
| Club: | A.S. Sergio De Gregorio |
| Birth Place: | Florence, Italy |
| Show-Medals: | yes |
Claudio Zei (born 1954) is an Italian former swimmer. He won bronze medal in 4x100 metres freestyle at the 1975 World Aquatics Championships. He was born in Florence.